<!doctype html>
<html>
<title>Webpack App</title>
</head>
<body>
    <div id="index">666</div>
    <style>
        #index{
            width: 100px;
            height: 100px;
            background: red;
        }
    </style>
    <script src="./js/index.js"></script>
</body>
</html>
